@misc{indiciaef60feddac93a,
  title = {Identifying Bearing Rotordynamic Coefficients using an Extended Kalman Filter},
  author = {Miller, Bard A. and Howard, Samuel A.},
  year = {2008},
  url = {https://ntrs.nasa.gov/citations/20080039638},
  note = {Source identifier: 20080039638}
}